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Here you will find presentations given at COMSOL Conferences around the globe. The presentations explore the innovative research and products designed by your peers using COMSOL Multiphysics. Research topics span a wide array of industries and application areas, including the electrical, mechanical, fluid, and chemical disciplines. Use the Quick Search to find presentations pertaining to your application area.

A theoretical investigation of thermo-optic effect in Silicon-on-Insulator (SOI) rib waveguides and waveguide arrays by means of the Finite Element Method (FEM) has been carried out.
Both static and dynamic analyses have been performed.

One of the most important requirements of any integrated optical technology is the ability to perform optical modulation, which permits to encode a bit stream onto the optical carrier provided by the laser source.
In this paper a multiphysics model for silicon modulators adopting a Metal Oxide Semiconductor (MOS) structure is presented.

In water we can’t see far, because light and electromagnetic waves are absorbed over relatively short distances. In contrast, sound travels very well in water In fact it is well known that marine mammals rely on sound for communication over large distances, and some of them even use sound to locate their target while hunting.
In this presentation we provide an overview of the principles of ...

The subject of this work is the design of a LiNbO3 electro-optic tuned Bragg filter to be used as an amplitude modulator.
We analyze in detail the realized waveguide and simulate the grating, developing a fabrication methodology for building the Bragg modulator by niobate core etching.
Finally, we evaluate the performance of the modulator, using the finite element method analysis.

In the present paper we report the results obtained applying COMSOL Multiphysics to the numerical simulation of Cyclic Voltammetries (CV’s) at microelecrodes arrays.
CV’s at inlaid micro disk electrode arrays have been simulated showing how the electrochemical response is affected by geometrical parameters such as the electrode radius and the distance among the electrode canters.

This article discusses the RMN import of a brain geometry in COMSOL Multiphysics via an interpolating function.
The physical property associated with the grayscale is the diffusivity tensor, assumed here to be isotropic but inhomogeneous.
Applications to anti-tumor drug delivery and cancer growth processes are discussed.

3D model analysis of the temperature dynamics during a welding process is presented. Bio-heat equation described laser-tissue interaction in porcine and human eyes, simulating the surgery conditions.
The modeled behavior of the superficial cornea temperature was compared with direct measurements performed by an infrared thermo-camera.
The results indicated a selective, spatially-confined ...

Mathematical modelling of a catalytic plate reactor for methane steam reforming with COMSOL Multiphysics was carried out.
The model reactor includes three channels where methane combustion occurs on the plates bordering the inner side of the outermost channels, whereas methane steam reforming takes place on the plates bordering the central channel.

This article presents different applications of COMSOL Multiphysics in the context of the mathematical modeling of biological systems.
Simulations of excitable media like cardiac and neural tissues are discussed.
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Keynote speaker's biography:
Simonetta Filippi is member of the Engineering Faculty at the University Campus Biomedico and of the ...

Transient three-dimensional temperature distribution in a solid, irradiated by a moving Gaussian laser beam, was investigated numerically by means of COMSOL Multiphysics.
Convection and radiation from the work-piece surfaces as well as variable thermophysical properties are accounted for.